Remember the Milrem THeMIS? It is a unmanned ground vehicle with a modular design that can handle rescue, transport, and reconnaissance missions. The base measures 2000mm long and 900mm high. It has a max payload of 750kg. This tracked hybrid infantry system comes with a remote control system and follows its operator.
The UGV has a max speed of 15 mph and can move on uneven terrain. As this video shows, it can change direction in a flash.